Answer:
D- Cementation
Explanation:
Cementation, in geology, hardening and welding of clastic sediments (those formed from preexisting rock fragments) by the precipitation of mineral matter in the pore spaces. It is the last stage in the formation of a sedimentary rock.
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I'm sorry I can't answer this I'm trying to get more points
I think it's because it will decay and be soil and soil is biotic factor